Saturday, May 7, 2022

Waiting for ES season to start

 


10m is in good shape. FT8 signals are booming in. QSOs from Australia till Bolivia. Yet, calling SSB resulted in just one QSO with YC2DBW from Indonesia. Calling CQ on SSB has no use at all. Tried several times for about 10 minutes without response. Compared to calling CQ with FT8 resulting in several QSOs in the same time. I tried 6m and 4m today. I have been heard in Europe but only a few stations. I hope the ES season will really start one of these days.

Thursday, May 5, 2022

M0MOM's ADIF processor


Discovered some fun online ADIF processor today made by M0MOM

https://www.adif.uk/

Click start it is obvious how to handle.

Output KML file can be saved on your computer and can be imported in google earth

https://earth.google.com/web

Menu > projects > (Make a new project) open > Import KML file from computer




Examples from my QRP efforts in the PACC 2022 contest.

Sunday, May 1, 2022

Antenna experiments are fun - ready for the ES season

 Haven't got much time for the radio hobby at the moment. But today had a few hours planned to do some antenna work. I wanted to dismantle the vertical experiment to make place for something else I have in mind. Besides that I had to mount the 6m/4m duoband beam into the tower to get ready for the ES season.

Work in progress...



The problem with the vertical over one winter is that part of it is almost broken. Besides that the wires get twisted after a while. I think the experimental design works well though it needs a few technical fixes. However, I don't think I will place a vertical antenna like this on my tower again since I like to experiment with something different. I removed it from the tower.



I was curious how the 1:1 balun would look after a winter. The balun was mounted above the autotuner in the small white box. 

I was surprised to see that inside it looked like new. Nothing wrong at all. So I can use it for another experimental project.





The autotuner needs a power supply of 12V which I provide with a PSU in the garage throught a thin twin wire up into the tower. It is connected with some "chocolate bloc" connectors. Although I made it watertight with vulcanizing tape it really is not corrosion resistant. It really is a miracle the autotuner still did work at all. Another one, just as corroded is in the coax connection box at the bottom of my tower. I really need to find something better to connect the tuner to 12V  without having to worry about corrosion.


Next I collected the components for the 6m/4m duoband beam which are all in reasonable good shape. Assembling took me about 30 minutes. That was including polishing the alu rods as good as possible.







I also renewed marking all the separate rods. Just a precaution. I will check it again when disassembling. Assembling is so much easier when you don't have to compare lengths but just read on it which one belongs were.









The result...




Ready for the ES season now. I already made some nice 6m contacts but missed the short opening to RSA last afternoon. I have to say it's quite a different look, I got used to a vertical on top.